AbstractAbout AuthorsReferences
When installing underground structures in soil layers with high groundwater filtration rates, special requirements are imposed on the material of anti-filtration curtains. The conditions of application of jet cementation technology for modification of watered fractured rocky soils of low strength in order to form a composite material with the required mechanical and filtration characteristics are considered.The technological parameters of the cementation process have been experimentally and theoretically determined to ensure the necessary radius of propagation of the bonding mixture, and methods of laboratory and field control of the modified zone have been developed. The maximum permissible values of the controlled parameters have been determined.
S.S. ZUEV1, Deputy General Director;
O.A. MAKOVETSKY2, Doctor of Sciences (Engineering)
O.A. MAKOVETSKY2, Doctor of Sciences (Engineering)
1 JSC “New Ground” (35, Kronshtadskaya Street, Perm, 614081, Russian Federation)
2 Perm National Researh Polytechnic University (29, Komsomolsky Prospect, Perm, 614000, Russian Federation)
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2. Astrakhanov B.N. Trends in the development of technology for fencing pits in conditions of dense urban development. Osnovaniya, fundamenty i mekhanika gruntov. 2002. No. 4, pp. 4–8. (In Russian).
3. Adamovich A.N. Zakreplenie gruntov i protivofil’tratsionnye zavesy [Soil fixation and anti-filtration curtains]. Moscow: Energiya. 1980. 320 p.
4. Ter-Martirosyan Z.G., Ter-Martirosyan A.Z. Stress-strain state of soil massifs under the influence of hydrogeological factors. Vestnik MGSU. 2008. No. 2, pp. 150–157. (In Russian).
5. Shapiro D.M. Teoriya i raschetnye modeli osnovanii i ob”ektov geotekhnik [Theory and computational models of foundations and objects of geotechnics]. Moscow: ASV. 2016. 180 p.
6. Henn Raymond W. Practical guide to grouting of underground structures. American Society of Civil Engineers. 1996. 200 p.
7. Moseley M.P. Ground improvement. London. 2004. 440 p.
8. Karol Reuben H. Chemical grouting and soil stabilization. American Society of Civil Engineers. 2003. 536 p.
9. Makovetskiy O., Zuev S. Practice device artificial improvement basis of soil technologies jet grouting. Procedia Engineering. 2016. Vol. 165, pp. 504–509.
10. Makovetsky O.A., Konyukhov D.S., Zuev S.S. The experience of using jet cementation for the device of an anti-filtration curtain in rocky soils. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2020. No. 9, pp. 27–33. (In Russian). https://doi.org/10.31659/0044-4472-2020-9-27-33
11. Abelev M.Yu., Abelev K.M. Geotechnical studies of construction sites composed of weak water-saturated clay soils. Geotechnica. 2010. No. 6, pp. 30–33. (In Russian).
12. Shashkin A.G. Proektirovanie zdanii i podzemnykh sooruzhenii v slozhnykh inzhenerno-geologicheskikh usloviyakh Sankt-Peterburga [Design of buildings and underground structures in difficult engineering and geological conditions of St. Petersburg]. Moscow: Geomarketing. 2014. 352 p.
13. Konovalov P.A., Zechniev S.G., Bezvolev S.G. Calculation of the effectiveness of strengthening weak foundations by loading, drainage and reinforcement. Osnovaniya, fundamenty i mekhanika gruntov. 2003. No. 1, pp. 2–8. (In Russian).
14. Broyd I.I. truinaya geotekhnologiya [Jet geotechnology]. Moscow: ASV. 2004. 448 p.
15. Khamalyainen V.A., Mayorov A.E. Features of the flow of cementation solutions during the hardening of fractured rocks. Gornyi informatsionno-analiticheskii byulleten’. 2012. No. 10, pp. 199–205. (In Russian).
16. Shubin A.A. Modeling of the process of liquidation of underground voids in conditions of technogenic activation. Zapiski gornogo instituta. 2013. Vol. 204, pp. 101–104. (In Russian).
17. Platonov A.P., Pershin M.N. Kompozitsionnye materialy na osnove gruntov [Composite materials based on soils]. Moscow: Khimiya. 1987. 144 p.
18. Kulikova E.Yu. Indicators of reliability, safety and risk in chemical soil strengthening. Izvestiya of higher educational institutions. Mining journal. 2009. No. 8, pp. 43–49. (In Russian).
For citation: Zuev S.S., Makovetsky O.A. Patterns of changes in the mechanical and filtration properties of semi-rock soils modified by jet cementation. Zhilishchnoe Stroitel'stvo [Housing Construction]. 2024. No. 9, pp. 30–35. (In Russian). https://doi.org/10.31659/0044-4472-2024-9-30-35